7800316516 has 24 divisors (see below), whose sum is σ = 14471495640. Its totient is φ = 3666173952.

The previous prime is 7800316481. The next prime is 7800316519. The reversal of 7800316516 is 6156130087.

It can be written as a sum of positive squares in 4 ways, for example, as 3134880100 + 4665436416 = 55990^2 + 68304^2 .

It is not an unprimeable number, because it can be changed into a prime (7800316519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15885 + ... + 125908.

It is an arithmetic number, because the mean of its divisors is an integer number (602978985).

Almost surely, 2^7800316516 is an apocalyptic number.

It is an amenable number.

7800316516 is a deficient number, since it is larger than the sum of its proper divisors (6671179124).

7800316516 is a wasteful number, since it uses less digits than its factorization.

7800316516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142623 (or 142621 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 7800316516 is about 88319.4005640890. The cubic root of 7800316516 is about 1983.2193076236.

The spelling of 7800316516 in words is "seven billion, eight hundred million, three hundred sixteen thousand, five hundred sixteen".